<script setup lang="ts">
import { uploadAPI } from '@/apis/common';
import { createEnterpriseAPI, getEnterpriseDetailAPI, getIndustryListAPI, updateEnterpriseAPI } from '@/apis/enterprise';
import type { EnterpriseDetail, EnterpriseParams, Industry } from '@/types/enterprise';
import { CircleCheck, Smoking } from '@element-plus/icons-vue';
import { ElMessage, type FormInstance, type FormRules, type UploadRawFile, type UploadRequestOptions, type UploadUserFile } from 'element-plus';
import { ref } from 'vue';
import { useRoute, useRouter } from 'vue-router';

const addForm = ref<EnterpriseParams>({
  id: undefined,
  name: '', // 企业名称
  legalPerson: '', // 法人
  registeredAddress: '', // 注册地址
  industryCode: undefined, // 所在行业
  contact: '', // 企业联系人
  contactNumber: '', // 联系人电话
  businessLicenseUrl: '', // 营业执照url
  businessLicenseId: 0 // 营业执照id 
}) 

// 表单校验规则
const addRules =ref<FormRules<EnterpriseParams>>({
  name: [
    { required: true, message: '请输入企业名称', trigger: 'blur' },
    { min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur' }
  ],
  legalPerson: [
    { required: true, message: '请输入法人', trigger: 'blur' },
    { min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur' }
  ],
  registeredAddress: [
    { required: true, message: '请输入注册地址', trigger: 'blur' },
    { min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur' }
  ],
  industryCode: [
    { required: true, message: '请选择行业', trigger: 'change' }
  ],
  contact: [
    { required: true, message: '请输入企业联系人', trigger: 'blur' },
    { min: 2, max: 20, message: '长度在 2 到 20 个字符', trigger: 'blur' }
  ],
  contactNumber: [
    { required: true, message: '请输入联系电话', trigger: 'blur' },
    {pattern: /^1[3-9]\d{9}$/, message: '请输入正确的手机号', trigger: 'blur' }
  ],
  businessLicenseUrl: [
    { required: true, message: '请上传营业执照', trigger: 'blur' }
  ]
})


// 获取行业列表
const industryList = ref<Industry[]>([])
// 获取行业列表数据
const getIndustryList = async () => {
  // 获取行业列表数据
const res = await getIndustryListAPI()
// 赋值给行业列表数据
industryList.value = res.data
}
// 调用获取行业列表数据
getIndustryList()


// 上传的文件列表, vue3 版组件库支持 v-model 双向绑定
const fileList =ref<UploadUserFile[]>([])
// 自定义上传
const onUploadRequest = async (options: UploadRequestOptions) => {
// 1. 准备 FormData 对象
const fd  = new FormData()
// 2. 根据后端要求准备字段
fd.append('file', options.file)
fd.append('type', 'businessLicense')
// 3. 调用接口上传文件
const res = await uploadAPI(fd)

// (整体校验和特殊校验)   保存营业执照 url 和 id，用于添加企业
addForm.value.businessLicenseUrl = res.data.url
addForm.value.businessLicenseId = res.data.id
// 主动触发校验(如果校验通过，会清除错误信息)
formRef.value?.validateField('businessLicenseUrl')

//4. 检查上传结果，并 return 存储到 response 属性中
return res.data.url
}

// 在 before-upload 钩子中限制用户上传文件的格式和大小
const beforeUpload =(rawFile:UploadRawFile)=>{
  // size 的单位是 Byte
  // 5M = 5 * 1024 * 1024
  if(rawFile.size > 5 * 1024 * 1024){
    ElMessage.error('文件大小不能超过5M')
    return false
  }else if(['image/jpeg', 'image/png'].includes(rawFile.type)===false){
    ElMessage.error('文件格式不正确')
    return false
  }
  return true
}

//  用于表单提交时，整个表单校验
const formRef = ref<FormInstance>()

// 获取路由实例
const router = useRouter()
const submitLoading = ref(false)

//确认提交
const onSubmit =async () => {
  // 触发表单校验
  try {
    // 表单校验
    await formRef.value?.validate()
    // 判断是否有id
    if (route.params.id) {
      // ... 展开运算符
      // 有 id 是编辑企业 
      await updateEnterpriseAPI({
        ...addForm.value,
        id: String(route.params.id)
      })
      ElMessage.success('编辑成功')
    } else {
    // 把按钮设置为加载状态，禁用提交，避免重复提交
    submitLoading.value = true
    // 调用接口，把数据提交给后端
    await createEnterpriseAPI(addForm.value)
    // 提示信息
    ElMessage.success('添加成功')
    }
    // 返回上一页
    router.back()
  }catch{
     // 恢复按钮状态
    submitLoading.value = false
  }
}

// 重置表单
const onReset =async () => {
  formRef.value?.resetFields()
}

// 删除上传文件
const removeUpload =() => {
  // 主动清楚营业执照 url 和 id
  addForm.value.businessLicenseUrl = ''
  addForm.value.businessLicenseId = undefined
  // 主动触发校验，提醒用户
  formRef.value?.validateField('businessLicenseUrl')
}


// 编辑业务卡详情
const route =useRoute()
const getEnterpriseDetailData =async () => {
  // 获取详情
  const res = await getEnterpriseDetailAPI(route.params.id as string)
  // 提取表单所需的数据
  const { name, contact, contactNumber, legalPerson, registeredAddress, businessLicenseUrl, businessLicenseId, industryCode} = res.data
  // 绑定到表单回显
  addForm.value = { name, contact, contactNumber, legalPerson, registeredAddress, businessLicenseUrl, businessLicenseId,industryCode }
  fileList.value = [{name: businessLicenseUrl, url: businessLicenseUrl}]
}
//如果有 id，则调用接口获取月卡详情
if(route.params.id){
  getEnterpriseDetailData()
}
</script>


<template>
  <div class="add-enterprise">
    <header class="add-header">
      <el-page-header :content="$route.params.id?'编辑企业':'添加企业'" @back="$router.back()" />
    </header>
    <main class="add-main">
      <div class="form-container">
        <div class="title">企业信息</div>
        <div class="form">
          <el-form ref="formRef" :model="addForm" :rules="addRules" label-width="100px">
            <el-form-item label="企业名称" prop="name">
              <el-input v-model="addForm.name" />
            </el-form-item>
            <el-form-item label="法人" prop="legalPerson">
              <el-input v-model="addForm.legalPerson" />
            </el-form-item>
            <el-form-item label="注册地址" prop="registeredAddress">
              <el-input v-model="addForm.registeredAddress" />
            </el-form-item>
            <el-form-item label="所在行业" prop="industryCode">
              <el-select v-model="addForm.industryCode" >
                <el-option 
                  v-for="item in industryList" 
                  :key="item.industryCode" 
                  :label="item.industryName" 
                  :value="item.industryCode"
                />
              </el-select>
            </el-form-item>
            <el-form-item label="企业联系人" prop="contact">
              <el-input v-model="addForm.contact" />
            </el-form-item>
            <el-form-item label="联系电话" prop="contactNumber">
              <el-input v-model="addForm.contactNumber" :maxlength="11" />
            </el-form-item>
            <el-form-item label="营业执照" prop="businessLicenseUrl">
              <!-- 
                :http-request                  自定义上传函数
                accept="..png, .jpg, .jpeg"    限制上传文件类型
                :before-upload="beforeUpload"  上传文件之前的钩子，校验文件大小和格式
              -->
              <el-upload 
                :http-request="onUploadRequest"
                :limit="1"
                list-type="picture"
                v-model:file-list="fileList"
                accept=".png,.jpg,.jpeg"
                :before-upload="beforeUpload"
                @remove="removeUpload"
              >
                <!-- 带图标的上传按钮，注意安装图标库，使用时需要导入 Upload 图标  -->
                <el-button v-if="fileList.length===0" type="primary" :icon="Smoking"> 点击上传</el-button>
                <el-button v-else type="success" disabled :icon="CircleCheck">已上传</el-button>
                <template #tip>
                  <div class="el-upload__tip">
                    支持扩展名：.png .jpg .jpeg, 文件大小不得超过5M
                  </div>
                </template>
              </el-upload>
            </el-form-item>
          </el-form>
        </div>
        <!-- {{ addForm }} -->
      </div>
    </main>
    <footer class="add-footer">
      <div class="btn-container">
        <el-button @click="onReset()" :disabled="Boolean($route.params.id)">重置</el-button>
        <el-button @click="onSubmit()" type="primary" :loading="submitLoading">确定</el-button>
      </div>
    </footer>
  </div>
</template>


<style scoped lang="scss">
.add-enterprise {
  background-color: #f4f6f8;
  height: 100vh;

  .add-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 64px;
    line-height: 64px;
    font-size: 16px;
    font-weight: bold;
    background-color: #fff;

    .left {
      span {
        margin-right: 4px;
      }

      .arrow {
        cursor: pointer;
      }
    }

    .right {
      text-align: right;
    }
  }

  .add-main {
    background: #f4f6f8;
    padding: 20px 130px;

    .form-container {
      background-color: #fff;

      .title {
        height: 60px;
        line-height: 60px;
        padding-left: 20px;
      }

      .form {
        margin-bottom: 20px;
        padding: 20px 65px 24px;

        .el-form {
          display: flex;
          flex-wrap: wrap;

          .el-form-item {
            width: 50%;
          }
        }
      }
    }
  }

  .add-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 24px 50px;
    color: #000000d9;
    font-size: 14px;
    background: #fff;
    text-align: center;
  }
}
</style>